bimber theme is not activating even i have purchased code [closed]

I have bimber WordPress theme which i bought in 2019 I have a license code, even when i try to put the code it says error you can see in attach picture

enter image description here

error : Token Registration
When automatic registration fails, please unlock the theme using this token method. Click the following link to get your individual token and enter it below. Generate token

when i click generate token, it gives error 404 on this link https://api.bringthepixel.com/?action=register&theme=bimber&purchase_code=5b8dff06-e999-4021-8d75-1e828fa50a10&site_url=https%3A%2F%2Fpakistantopstories.com

as the website is no longer available any help on that

any one help on that so can i fix it manually by any way